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Josef Klier - "USA Line" Trumpet Mouthpieces


What if you don't see the "Add to Cart" button? That means the variant of the item (e.g. size, colour, etc.) is out of stock at the moment. Solution? Simple!

Just click on "Pre-Order" to pre-order it from us. Please refer to the "Pre-Orders" section under our "Terms & Conditions of Sales"


Options/Customisations available

  • Perspex
  • Silver plated rim, perspex body
  • Plastic rim, perspex body

      Model table
      Bore: 3.6mm (also available in 3.8mm)
      Backbore: A2 (Average)

      Cup Types
      - A: Deep
      - B: Medium deep
      - C: Medium shallow
      - D: Shallow
      - E: Very shallow
      - W: Extra broad rim
      - No letter: Medium

       Nr. Rim
      (mm)
      Cup
      (mm)
      1
      27.4
      17
      1C
      27.4
      17
      1¼C
      27.5
      16.8
      1½C 27.3 16.8
      1½D 27.3 16.8
      1½E 27.3 16.8
      2C
      26.8
      16.7
      2½C 26.8
      16.7
      3 27.2 16.6
      3C 27.3 16.6
      3D 27.3 16.6
      3E 27.3 16.6
      5A 26.7 16.5
      5B 27 16.5
      5C 27.1 16.5
      6 27 16.4
      6C 27.1 16.4
      7 27 16.4
      7A 27.1 16.4
      7B 27.1 16.4
      7BW 28.2 16.4
      7C 26.9 16.4
      7CW 28 16.4
      7D 27 16.3
      7DW 28 16.3
      7E 27.3 16.3
      7EW 27.8 16.3
      10½C 27.2 16
      10½CW 30 16
      10½D 27 16
      10½DW 27.8 16
      10½E 27 16

      About the USA line

      When Josef Klier resumed the production of mouthpieces in Birkenfeld in 1948, the news of this production quickly reached the surrounding bands of the US Army. Up to this time, he had chiefly produced mouthpieces for rotary valve instruments.

      But trumpeters and trombonists of the Army bands prefered another cup shape for their instruments. They handed over samples of mouthpieces to Roland Klier, which had been produced in Mount Vernon, New York.

      Accurate in every detail, the copies of these models produced by Roland Klier were greeted enthusiastically by the army musicians. As these mouthpieces had their origin in the US, Josef Klier thought it logical to unite the new models under the designation JK USA Line.

      In memory of Josef Klier, we have maintained this designation up to today, even if the designation JK Mount Vernon Line would be more accurate.

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